/**
 * Created by JetBrains PhpStorm.
 * User: taoqili
 * Date: 12-2-20
 * Time: 上午11:19
 * To change this template use File | Settings | File Templates.
 */

(function(){

	var video = {},
		uploadVideoList = [],
		isModifyUploadVideo = false,
		uploadFile;

	window.onload = function(){
		$focus($G("videoUrl"));
		initTabs();
		initVideo();
		initUpload();
	};

	/* 初始化tab标签 */
	function initTabs(){
		var tabs = $G('tabHeads').children;
		for (var i = 0; i < tabs.length; i++) {
			domUtils.on(tabs[i], "click", function (e) {
				var j, bodyId, target = e.target || e.srcElement;
				for (j = 0; j < tabs.length; j++) {
					bodyId = tabs[j].getAttribute('data-content-id');
					if(tabs[j] == target){
						domUtils.addClass(tabs[j], 'focus');
						domUtils.addClass($G(bodyId), 'focus');
					}else {
						domUtils.removeClasses(tabs[j], 'focus');
						domUtils.removeClasses($G(bodyId), 'focus');
					}
				}
			});
		}
	}

	function initVideo(){
		createAlignButton( ["videoFloat", "upload_alignment"] );
		addUrlChangeListener($G("videoUrl"));
		addOkListener();

		//编辑视频时初始化相关信息
		(function(){
			var img = editor.selection.getRange().getClosedNode(),url;
			if(img && img.className){
				var hasFakedClass = (img.className == "edui-faked-video"),
					hasUploadClass = img.className.indexOf("edui-upload-video")!=-1;
				if(hasFakedClass || hasUploadClass) {
					$G("videoUrl").value = url = img.getAttribute("_url");
					$G("videoWidth").value = img.width;
					$G("videoHeight").value = img.height;
					var align = domUtils.getComputedStyle(img,"float"),
						parentAlign = domUtils.getComputedStyle(img.parentNode,"text-align");
					updateAlignButton(parentAlign==="center"?"center":align);
				}
				if(hasUploadClass) {
					isModifyUploadVideo = true;
				}
			}
			createPreviewVideo(url);
		})();
	}

	/**
	 * 监听确认和取消两个按钮事件，用户执行插入或者清空正在播放的视频实例操作
	 */
	function addOkListener(){
		dialog.onok = function(){
			$G("preview").innerHTML = "";
			var currentTab =  findFocus("tabHeads","tabSrc");
			switch(currentTab) {
				case "video":
					return insertSingle();
				case "videoSearch":
					return insertSearch("searchList");
				case "upload":
					return insertUpload();
			}
		};
		dialog.oncancel = function(){
			$G("preview").innerHTML = "";
		};
	}

	/**
	 * 依据传入的align值更新按钮信息
	 * @param align
	 */
	function updateAlignButton( align ) {
		var aligns = $G( "videoFloat" ).children;
		for ( var i = 0, ci; ci = aligns[i++]; ) {
			if ( ci.getAttribute( "name" ) == align ) {
				if ( ci.className !="focus" ) {
					ci.className = "focus";
				}
			} else {
				if ( ci.className =="focus" ) {
					ci.className = "";
				}
			}
		}
	}

	/**
	 * 将单个视频信息插入编辑器中
	 */
	function insertSingle(){
		var width = $G("videoWidth"),
			height = $G("videoHeight"),
			url=$G('videoUrl').value,
			align = findFocus("videoFloat","name");
		if(!url) return false;
		if ( !checkNum( [width, height] ) ) return false;
		editor.execCommand('insertvideo', {
			url: convert_url(url),
			width: width.value,
			height: height.value,
			align: align
		}, isModifyUploadVideo ? 'upload':null);
	}

	/**
	 * 将元素id下的所有代表视频的图片插入编辑器中
	 * @param id
	 */
	function insertSearch(id){
		var imgs = domUtils.getElementsByTagName($G(id),"img"),
			videoObjs=[];
		for(var i=0,img; img=imgs[i++];){
			if(img.getAttribute("selected")){
				videoObjs.push({
					url:img.getAttribute("ue_video_url"),
					width:650,
					height:380,
					align:"none"
				});
			}
		}
		editor.execCommand('insertvideo',videoObjs);
	}

	/**
	 * 找到id下具有focus类的节点并返回该节点下的某个属性
	 * @param id
	 * @param returnProperty
	 */
	function findFocus( id, returnProperty ) {
		var tabs = $G( id ).children,
				property;
		for ( var i = 0, ci; ci = tabs[i++]; ) {
			if ( ci.className=="focus" ) {
				property = ci.getAttribute( returnProperty );
				break;
			}
		}
		return property;
	}
	function convert_url(url){
		if ( !url ) return '';
		url = utils.trim(url)
			.replace(/v\.youku\.com\/v_show\/id_([\w\-=]+)\.html/i, 'player.youku.com/player.php/sid/$1/v.swf')
			.replace(/(www\.)?youtube\.com\/watch\?v=([\w\-]+)/i, "www.youtube.com/v/$2")
			.replace(/youtu.be\/(\w+)$/i, "www.youtube.com/v/$1")
			.replace(/v\.ku6\.com\/.+\/([\w\.]+)\.html.*$/i, "player.ku6.com/refer/$1/v.swf")
			.replace(/www\.56\.com\/u\d+\/v_([\w\-]+)\.html/i, "player.56.com/v_$1.swf")
			.replace(/www.56.com\/w\d+\/play_album\-aid\-\d+_vid\-([^.]+)\.html/i, "player.56.com/v_$1.swf")
			.replace(/v\.pps\.tv\/play_([\w]+)\.html.*$/i, "player.pps.tv/player/sid/$1/v.swf")
			.replace(/www\.letv\.com\/ptv\/vplay\/([\d]+)\.html.*$/i, "i7.imgs.letv.com/player/swfPlayer.swf?id=$1&autoplay=0")
			.replace(/www\.tudou\.com\/programs\/view\/([\w\-]+)\/?/i, "www.tudou.com/v/$1")
			.replace(/v\.qq\.com\/cover\/[\w]+\/[\w]+\/([\w]+)\.html/i, "static.video.qq.com/TPout.swf?vid=$1")
			.replace(/v\.qq\.com\/.+[\?\&]vid=([^&]+).*$/i, "static.video.qq.com/TPout.swf?vid=$1")
			.replace(/my\.tv\.sohu\.com\/[\w]+\/[\d]+\/([\d]+)\.shtml.*$/i, "share.vrs.sohu.com/my/v.swf&id=$1");

		return url;
	}

	/**
	  * 检测传入的所有input框中输入的长宽是否是正数
	  * @param nodes input框集合，
	  */
	 function checkNum( nodes ) {
		 for ( var i = 0, ci; ci = nodes[i++]; ) {
			 var value = ci.value;
			 if ( !isNumber( value ) && value) {
				 alert( lang.numError );
				 ci.value = "";
				 ci.focus();
				 return false;
			 }
		 }
		 return true;
	 }

	/**
	 * 数字判断
	 * @param value
	 */
	function isNumber( value ) {
		return /(0|^[1-9]\d*$)/.test( value );
	}

	/**
	  * 创建图片浮动选择按钮
	  * @param ids
	  */
	 function createAlignButton( ids ) {
		 for ( var i = 0, ci; ci = ids[i++]; ) {
			 var floatContainer = $G( ci ),
					 nameMaps = {"none":lang['default'], "left":lang.floatLeft, "right":lang.floatRight, "center":lang.block};
			 for ( var j in nameMaps ) {
				 var div = document.createElement( "div" );
				 div.setAttribute( "name", j );
				 if ( j == "none" ) div.className="focus";
				 div.style.cssText = "background:url(images/" + j + "_focus.jpg);";
				 div.setAttribute( "title", nameMaps[j] );
				 floatContainer.appendChild( div );
			 }
			 switchSelect( ci );
		 }
	 }

	/**
	 * 选择切换
	 * @param selectParentId
	 */
	function switchSelect( selectParentId ) {
		var selects = $G( selectParentId ).children;
		for ( var i = 0, ci; ci = selects[i++]; ) {
			domUtils.on( ci, "click", function () {
				for ( var j = 0, cj; cj = selects[j++]; ) {
					cj.className = "";
					cj.removeAttribute && cj.removeAttribute( "class" );
				}
				this.className = "focus";
			} )
		}
	}

	/**
	 * 监听url改变事件
	 * @param url
	 */
	function addUrlChangeListener(url){
		if (browser.ie) {
			url.onpropertychange = function () {
				createPreviewVideo( this.value );
			}
		} else {
			url.addEventListener( "input", function () {
				createPreviewVideo( this.value );
			}, false );
		}
	}

	/**
	 * 根据url生成视频预览
	 * @param url
	 */
	function createPreviewVideo(url){
		if ( !url )return;

		var conUrl = convert_url(url);

		$G("preview").innerHTML = '<div class="previewMsg"><span>'+lang.urlError+'</span></div>'+
		'<embed class="previewVideo" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer"' +
			' src="' + conUrl + '"' +
			' width="' + 650  + '"' +
			' height="' + 380  + '"' +
			' wmode="transparent" play="true" loop="false" menu="false" allowscriptaccess="never" allowfullscreen="true" >' +
		'</embed>';
	}


	/* 插入上传视频 */
	function insertUpload(){
		var videoObjs=[],
			uploadDir = editor.getOpt('videoUrlPrefix'),
			width = $G('upload_width').value || 650,
			height = $G('upload_height').value || 380,
			align = findFocus("upload_alignment","name") || 'none';
		for(var key in uploadVideoList) {
			var file = uploadVideoList[key];
			videoObjs.push({
				url: uploadDir + file.url,
				width:width,
				height:height,
				align:align
			});
		}

		var count = uploadFile.getQueueCount();
		if (count) {
			$('.info', '#queueList').html('<span style="color:red;">' + '还有2个未上传文件'.replace(/[\d]/, count) + '</span>');
			return false;
		} else {
			editor.execCommand('insertvideo', videoObjs, 'upload');
		}
	}

	/*初始化上传标签*/
	function initUpload(){
		uploadFile = new UploadFile('queueList');
	}


	/* 上传附件 */
	function UploadFile(target) {
		this.$wrap = target.constructor == String ? $('#' + target) : $(target);
		this.init();
	}
	UploadFile.prototype = {
		init: function () {
			this.fileList = [];
			this.initContainer();
			this.initUploader();
		},
		initContainer: function () {
			this.$queue = this.$wrap.find('.filelist');
		},
		/* 初始化容器 */
		initUploader: function () {
			var _this = this,
				$ = jQuery,    // just in case. Make sure it's not an other libaray.
				$wrap = _this.$wrap,
			// 图片容器
				$queue = $wrap.find('.filelist'),
			// 状态栏，包括进度和控制按钮
				$statusBar = $wrap.find('.statusBar'),
			// 文件总体选择信息。
				$info = $statusBar.find('.info'),
			// 上传按钮
				$upload = $wrap.find('.uploadBtn'),
			// 上传按钮
				$filePickerBtn = $wrap.find('.filePickerBtn'),
			// 上传按钮
				$filePickerBlock = $wrap.find('.filePickerBlock'),
			// 没选择文件之前的内容。
				$placeHolder = $wrap.find('.placeholder'),
			// 总体进度条
				$progress = $statusBar.find('.progress').hide(),
			// 添加的文件数量
				fileCount = 0,
			// 添加的文件总大小
				fileSize = 0,
			// 优化retina, 在retina下这个值是2
				ratio = window.devicePixelRatio || 1,
			// 缩略图大小
				thumbnailWidth = 113 * ratio,
				thumbnailHeight = 113 * ratio,
			// 可能有pedding, ready, uploading, confirm, done.
				state = '',
			// 所有文件的进度信息，key为file id
				percentages = {},
				supportTransition = (function () {
					var s = document.createElement('p').style,
						r = 'transition' in s ||
							'WebkitTransition' in s ||
							'MozTransition' in s ||
							'msTransition' in s ||
							'OTransition' in s;
					s = null;
					return r;
				})(),
			// WebUploader实例
				uploader,
				actionUrl = editor.getActionUrl(editor.getOpt('videoActionName')),
				fileMaxSize = editor.getOpt('videoMaxSize'),
				acceptExtensions = (editor.getOpt('videoAllowFiles') || []).join('').replace(/\./g, ',').replace(/^[,]/, '');;

			if (!WebUploader.Uploader.support()) {
				$('#filePickerReady').after($('<div>').html(lang.errorNotSupport)).hide();
				return;
			} else if (!editor.getOpt('videoActionName')) {
				$('#filePickerReady').after($('<div>').html(lang.errorLoadConfig)).hide();
				return;
			}

			uploader = _this.uploader = WebUploader.create({
				pick: {
					id: '#filePickerReady',
					label: lang.uploadSelectFile
				},
				swf: '../../third-party/webuploader/Uploader.swf',
				server: actionUrl,
				fileVal: editor.getOpt('videoFieldName'),
				duplicate: true,
				fileSingleSizeLimit: fileMaxSize,
				compress: false
			});
			uploader.addButton({
				id: '#filePickerBlock'
			});
			uploader.addButton({
				id: '#filePickerBtn',
				label: lang.uploadAddFile
			});

			setState('pedding');

			// 当有文件添加进来时执行，负责view的创建
			function addFile(file) {
				var $li = $('<li id="' + file.id + '">' +
						'<p class="title">' + file.name + '</p>' +
						'<p class="imgWrap"></p>' +
						'<p class="progress"><span></span></p>' +
						'</li>'),

					$btns = $('<div class="file-panel">' +
						'<span class="cancel">' + lang.uploadDelete + '</span>' +
						'<span class="rotateRight">' + lang.uploadTurnRight + '</span>' +
						'<span class="rotateLeft">' + lang.uploadTurnLeft + '</span></div>').appendTo($li),
					$prgress = $li.find('p.progress span'),
					$wrap = $li.find('p.imgWrap'),
					$info = $('<p class="error"></p>').hide().appendTo($li),

					showError = function (code) {
						switch (code) {
							case 'exceed_size':
								text = lang.errorExceedSize;
								break;
							case 'interrupt':
								text = lang.errorInterrupt;
								break;
							case 'http':
								text = lang.errorHttp;
								break;
							case 'not_allow_type':
								text = lang.errorFileType;
								break;
							default:
								text = lang.errorUploadRetry;
								break;
						}
						$info.text(text).show();
					};

				if (file.getStatus() === 'invalid') {
					showError(file.statusText);
				} else {
					$wrap.text(lang.uploadPreview);
					if ('|png|jpg|jpeg|bmp|gif|'.indexOf('|'+file.ext.toLowerCase()+'|') == -1) {
						$wrap.empty().addClass('notimage').append('<i class="file-preview file-type-' + file.ext.toLowerCase() + '"></i>' +
							'<span class="file-title">' + file.name + '</span>');
					} else {
						if (browser.ie && browser.version <= 7) {
							$wrap.text(lang.uploadNoPreview);
						} else {
							uploader.makeThumb(file, function (error, src) {
								if (error || !src || (/^data:/.test(src) && browser.ie && browser.version <= 7)) {
									$wrap.text(lang.uploadNoPreview);
								} else {
									var $img = $('<img src="' + src + '">');
									$wrap.empty().append($img);
									$img.on('error', function () {
										$wrap.text(lang.uploadNoPreview);
									});
								}
							}, thumbnailWidth, thumbnailHeight);
						}
					}
					percentages[ file.id ] = [ file.size, 0 ];
					file.rotation = 0;

					/* 检查文件格式 */
					if (!file.ext || acceptExtensions.indexOf(file.ext.toLowerCase()) == -1) {
						showError('not_allow_type');
						uploader.removeFile(file);
					}
				}

				file.on('statuschange', function (cur, prev) {
					if (prev === 'progress') {
						$prgress.hide().width(0);
					} else if (prev === 'queued') {
						$li.off('mouseenter mouseleave');
						$btns.remove();
					}
					// 成功
					if (cur === 'error' || cur === 'invalid') {
						showError(file.statusText);
						percentages[ file.id ][ 1 ] = 1;
					} else if (cur === 'interrupt') {
						showError('interrupt');
					} else if (cur === 'queued') {
						percentages[ file.id ][ 1 ] = 0;
					} else if (cur === 'progress') {
						$info.hide();
						$prgress.css('display', 'block');
					} else if (cur === 'complete') {
					}

					$li.removeClass('state-' + prev).addClass('state-' + cur);
				});

				$li.on('mouseenter', function () {
					$btns.stop().animate({height: 30});
				});
				$li.on('mouseleave', function () {
					$btns.stop().animate({height: 0});
				});

				$btns.on('click', 'span', function () {
					var index = $(this).index(),
						deg;

					switch (index) {
						case 0:
							uploader.removeFile(file);
							return;
						case 1:
							file.rotation += 90;
							break;
						case 2:
							file.rotation -= 90;
							break;
					}

					if (supportTransition) {
						deg = 'rotate(' + file.rotation + 'deg)';
						$wrap.css({
							'-webkit-transform': deg,
							'-mos-transform': deg,
							'-o-transform': deg,
							'transform': deg
						});
					} else {
						$wrap.css('filter', 'progid:DXImageTransform.Microsoft.BasicImage(rotation=' + (~~((file.rotation / 90) % 4 + 4) % 4) + ')');
					}

				});

				$li.insertBefore($filePickerBlock);
			}

			// 负责view的销毁
			function removeFile(file) {
				var $li = $('#' + file.id);
				delete percentages[ file.id ];
				updateTotalProgress();
				$li.off().find('.file-panel').off().end().remove();
			}

			function updateTotalProgress() {
				var loaded = 0,
					total = 0,
					spans = $progress.children(),
					percent;

				$.each(percentages, function (k, v) {
					total += v[ 0 ];
					loaded += v[ 0 ] * v[ 1 ];
				});

				percent = total ? loaded / total : 0;

				spans.eq(0).text(Math.round(percent * 100) + '%');
				spans.eq(1).css('width', Math.round(percent * 100) + '%');
				updateStatus();
			}

			function setState(val, files) {

				if (val != state) {

					var stats = uploader.getStats();

					$upload.removeClass('state-' + state);
					$upload.addClass('state-' + val);

					switch (val) {

						/* 未选择文件 */
						case 'pedding':
							$queue.addClass('element-invisible');
							$statusBar.addClass('element-invisible');
							$placeHolder.removeClass('element-invisible');
							$progress.hide(); $info.hide();
							uploader.refresh();
							break;

						/* 可以开始上传 */
						case 'ready':
							$placeHolder.addClass('element-invisible');
							$queue.removeClass('element-invisible');
							$statusBar.removeClass('element-invisible');
							$progress.hide(); $info.show();
							$upload.text(lang.uploadStart);
							uploader.refresh();
							break;

						/* 上传中 */
						case 'uploading':
							$progress.show(); $info.hide();
							$upload.text(lang.uploadPause);
							break;

						/* 暂停上传 */
						case 'paused':
							$progress.show(); $info.hide();
							$upload.text(lang.uploadContinue);
							break;

						case 'confirm':
							$progress.show(); $info.hide();
							$upload.text(lang.uploadStart);

							stats = uploader.getStats();
							if (stats.successNum && !stats.uploadFailNum) {
								setState('finish');
								return;
							}
							break;

						case 'finish':
							$progress.hide(); $info.show();
							if (stats.uploadFailNum) {
								$upload.text(lang.uploadRetry);
							} else {
								$upload.text(lang.uploadStart);
							}
							break;
					}

					state = val;
					updateStatus();

				}

				if (!_this.getQueueCount()) {
					$upload.addClass('disabled')
				} else {
					$upload.removeClass('disabled')
				}

			}

			function updateStatus() {
				var text = '', stats;

				if (state === 'ready') {
					text = lang.updateStatusReady.replace('_', fileCount).replace('_KB', WebUploader.formatSize(fileSize));
				} else if (state === 'confirm') {
					stats = uploader.getStats();
					if (stats.uploadFailNum) {
						text = lang.updateStatusConfirm.replace('_', stats.successNum).replace('_', stats.successNum);
					}
				} else {
					stats = uploader.getStats();
					text = lang.updateStatusFinish.replace('_', fileCount).
						replace('_KB', WebUploader.formatSize(fileSize)).
						replace('_', stats.successNum);

					if (stats.uploadFailNum) {
						text += lang.updateStatusError.replace('_', stats.uploadFailNum);
					}
				}

				$info.html(text);
			}

			uploader.on('fileQueued', function (file) {
				fileCount++;
				fileSize += file.size;

				if (fileCount === 1) {
					$placeHolder.addClass('element-invisible');
					$statusBar.show();
				}

				addFile(file);
			});

			uploader.on('fileDequeued', function (file) {
				fileCount--;
				fileSize -= file.size;

				removeFile(file);
				updateTotalProgress();
			});

			uploader.on('filesQueued', function (file) {
				if (!uploader.isInProgress() && (state == 'pedding' || state == 'finish' || state == 'confirm' || state == 'ready')) {
					setState('ready');
				}
				updateTotalProgress();
			});

			uploader.on('all', function (type, files) {
				switch (type) {
					case 'uploadFinished':
						setState('confirm', files);
						break;
					case 'startUpload':
						/* 添加额外的GET参数 */
						var params = utils.serializeParam(editor.queryCommandValue('serverparam')) || '',
							url = utils.formatUrl(actionUrl + (actionUrl.indexOf('?') == -1 ? '?':'&') + 'encode=utf-8&' + params);
						uploader.option('server', url);
						setState('uploading', files);
						break;
					case 'stopUpload':
						setState('paused', files);
						break;
				}
			});

			uploader.on('uploadBeforeSend', function (file, data, header) {
				//这里可以通过data对象添加POST参数
				header['X_Requested_With'] = 'XMLHttpRequest';
			});

			uploader.on('uploadProgress', function (file, percentage) {
				var $li = $('#' + file.id),
					$percent = $li.find('.progress span');

				$percent.css('width', percentage * 100 + '%');
				percentages[ file.id ][ 1 ] = percentage;
				updateTotalProgress();
			});

			uploader.on('uploadSuccess', function (file, ret) {
				var $file = $('#' + file.id);
				try {
					var responseText = (ret._raw || ret),
						json = utils.str2json(responseText);
					if (json.state == 'SUCCESS') {
						uploadVideoList.push({
							'url': json.url,
							'type': json.type,
							'original':json.original
						});
						$file.append('<span class="success"></span>');
					} else {
						$file.find('.error').text(json.state).show();
					}
				} catch (e) {
					$file.find('.error').text(lang.errorServerUpload).show();
				}
			});

			uploader.on('uploadError', function (file, code) {
			});
			uploader.on('error', function (code, file) {
				if (code == 'Q_TYPE_DENIED' || code == 'F_EXCEED_SIZE') {
					addFile(file);
				}
			});
			uploader.on('uploadComplete', function (file, ret) {
			});

			$upload.on('click', function () {
				if ($(this).hasClass('disabled')) {
					return false;
				}

				if (state === 'ready') {
					uploader.upload();
				} else if (state === 'paused') {
					uploader.upload();
				} else if (state === 'uploading') {
					uploader.stop();
				}
			});

			$upload.addClass('state-' + state);
			updateTotalProgress();
		},
		getQueueCount: function () {
			var file, i, status, readyFile = 0, files = this.uploader.getFiles();
			for (i = 0; file = files[i++]; ) {
				status = file.getStatus();
				if (status == 'queued' || status == 'uploading' || status == 'progress') readyFile++;
			}
			return readyFile;
		},
		refresh: function(){
			this.uploader.refresh();
		}
	};

})();